A parallel, multi-resolution sensing technique for multiple antenna cognitive radios
NM Neihart, S Roy, DJ Allstot - 2007 IEEE International …, 2007 - ieeexplore.ieee.org
NM Neihart, S Roy, DJ Allstot
2007 IEEE International Symposium on Circuits and Systems, 2007•ieeexplore.ieee.orgA parallel, multi-resolution spectrum sensing technique that is amenable to multiple-antenna
cognitive radios is introduced. We show that for energy-detector-type spectrum sensors, the
total sensing time due to FFT latency is reduced by 100 times using the proposed method
versus the fixed-resolution, serial detection method employed in single-antenna systems.
System-level tradeoffs such as the number of antennas, sensing bandwidth, and FFT size
are also explored.
cognitive radios is introduced. We show that for energy-detector-type spectrum sensors, the
total sensing time due to FFT latency is reduced by 100 times using the proposed method
versus the fixed-resolution, serial detection method employed in single-antenna systems.
System-level tradeoffs such as the number of antennas, sensing bandwidth, and FFT size
are also explored.
A parallel, multi-resolution spectrum sensing technique that is amenable to multiple-antenna cognitive radios is introduced. We show that for energy-detector-type spectrum sensors, the total sensing time due to FFT latency is reduced by 100 times using the proposed method versus the fixed-resolution, serial detection method employed in single-antenna systems. System-level tradeoffs such as the number of antennas, sensing bandwidth, and FFT size are also explored.
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